MSR MiniWorks EX Purifier System

Get the added viral protection that’s critical in popular wilderness areas and developing countries with this comprehensive purifier and microfilter system. The MiniWorks® Microfilter—our best-selling filter for demanding conditions—utilizes a ceramic/carbon element to filter out waterborne bacteria and protozoa, as well as particulate, taste and odors at 1 liter per minute. When viruses are a concern, the chlorine-based Aquatabs® purification tablets add viral defense. Together they provide the most reliable water possible in a compact, lightweight system that’s great for backpacking and international travel.

This system meets U.S. EPA requirements for microbiological water purifiers.

• Effective Against: Viruses (99.99%), bacteria (99.9999%), protozoa (99.9%) and particulate. Meets U.S. EPA drinking water standards* and NSF protocol P231 testing standard.
• Iodine-Free: Aquatabs tablets inactivate viruses without bad-tasting iodine. Includes 50 individually packaged tablets. Each tablet treats up to 2 quarts of water depending on conditions.
• Reliable: Filter’s durable ceramic/carbon element ensures safe, taste-free water—even with frequent, heavy use.
• Field-maintainable: Filter can be cleaned repeatedly for full flow recovery with no tools required.

*U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers